The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 1984
Filed:
Jul. 09, 1981
Applicant:
Inventor:
Takashi Kitamura, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350432 ; 372107 ; 372108 ;
Abstract
A semi-conductor laser device has a semi-conductor laser chip and an aspherical single lens for collimating the light beam from the laser chip, said aspherical single lens being mounted in a beam exit port of a casing for protecting the laser chip, and said exit port of the casing being adapted to align the optical axis of the aspherical single lens with that of the laser chip.